Additel ADT 680A is a reliable digital pressure gauge designed for professional pressure measurement, calibration and verification applications. With pressure ranges extending up to 60,000 psi / 4,200 bar, accuracy options of 0.1% FS or 0.2% FS, fully temperature-compensated measurement, IP67 protection and modern Bluetooth communication, the ADT 680A provides an excellent combination of measurement performance, durability and ease of use.
The Additel ADT 680A is designed for technicians who require a robust digital alternative to conventional mechanical pressure gauges. Its stainless-steel enclosure, corrosion-resistant wetted parts and fully welded pressure sensor make it particularly suitable for demanding industrial and field applications.
A large FSTN LCD with white backlight provides clear pressure indication under different lighting conditions. Users can switch between 4-digit and 5-digit display resolution and select from a wide variety of pressure and engineering units.
Bluetooth communication enables the Additel ADT 680A to communicate with compatible mobile devices and the Additel Link mobile app. RS232 communication is also available for integration into measurement and calibration systems.
Optional data logging significantly expands the capabilities of the pressure gauge. Depending on the selected logging configuration, hundreds of thousands of pressure and temperature-related measurement records can be stored for subsequent evaluation.
At europascal, the Additel ADT 680A complements a comprehensive portfolio of professional digital pressure gauges, pressure calibrators, pressure modules and pressure generation equipment. For professional calibration and metrological traceability of pressure measuring instruments, visit the europascal Calibration Service.
Your Benefits at a Glance
The Additel ADT 680A combines a very broad pressure range with robust construction and straightforward digital operation.
Key benefits include:
- Digital pressure gauge for professional applications
- Pressure ranges up to 60,000 psi / 4,200 bar
- Accuracy options of 0.1% FS and 0.2% FS
- Gauge pressure measurement
- Compound pressure measurement
- Fully temperature-compensated accuracy
- Temperature compensation from -10 °C to 50 °C
- Large FSTN LCD
- White display backlight
- Switchable 4-digit or 5-digit display
- Adjustable measurement update rate
- Extensive selection of pressure units
- Custom pressure unit via Additel Link
- Bluetooth communication
- RS232 communication
- Compatible with Additel Link mobile app
- Optional data logging
- Up to 800,000 stored records depending on configuration
- Stainless-steel enclosure
- 316L stainless-steel wetted parts
- Fully welded pressure sensor
- IP67 protection
- 5 g vibration resistance
- 10 g shock resistance
- Long battery operating time
- Three standard AA alkaline batteries
- ISO/IEC 17025 accredited calibration certificate with data included
- Intrinsically safe ADT 680AEx version available
Pressure Ranges up to 4,200 bar
One of the major advantages of the Additel ADT 680A is its exceptionally broad selection of pressure ranges.
The product family extends up to:
60,000 psi / 4,200 bar.
This allows the ADT 680A platform to cover a wide variety of pneumatic and hydraulic pressure measurement applications.
Rather than using one pressure sensor for every application, users can select an appropriate measuring range according to the pressure of the system or device under test.
This is particularly important because the measurement accuracy is specified as a percentage of full scale.
Selecting an appropriate pressure range therefore helps optimize measurement performance for the application.
0.1% FS or 0.2% FS Accuracy
The Additel ADT 680A is available with accuracy specifications of:
0.1% FS
or:
0.2% FS.
The exact available accuracy depends on the selected pressure range.
This measurement performance positions the ADT 680A between conventional industrial digital pressure gauges and substantially more expensive high-precision reference pressure gauges.
It is therefore particularly attractive for applications where dependable digital pressure measurement is required without the need for laboratory-level reference accuracy.
Fully Temperature-Compensated Accuracy
Pressure sensors can be affected by changes in ambient temperature.
The Additel ADT 680A therefore provides fully temperature-compensated measurement performance across the range:
-10 °C to 50 °C.
The operating temperature range extends from:
-20 °C to 50 °C.
This makes the pressure gauge particularly suitable for field applications where environmental conditions may vary considerably compared with a temperature-controlled calibration laboratory.
The broad compensated temperature range helps maintain dependable pressure measurements under changing operating conditions.
Gauge and Compound Pressure
The Additel ADT 680A is available for:
Gauge pressure
and:
Compound pressure.
Gauge pressure configurations cover a broad range of industrial pressure applications.
Compound pressure versions combine negative and positive gauge pressure measurement in one instrument.
This is useful for applications where the pressure may move below and above atmospheric pressure.
Typical applications include:
- Pressure gauge verification
- Process pressure monitoring
- Pressure transmitter testing
- Hydraulic systems
- Pneumatic systems
- Vacuum and pressure applications
- Industrial maintenance
- Field service
Large and Easy-to-Read Display
The Additel ADT 680A features a wide-viewing-angle FSTN segment LCD.
The display uses a three-section design and provides large pressure digits with a character height of approximately:
14.5 mm / 0.57 inches.
Users can switch between:
4-digit
and:
5-digit
pressure indication.
This allows the display resolution to be adapted to the application.
The large characters also make the pressure indication easy to read from a distance, which can be particularly useful when the gauge is mounted directly to a pressure system.
White Display Backlight
For operation under poor lighting conditions, the Additel ADT 680A includes a:
white backlight.
This improves readability in workshops, machinery installations, production areas and outdoor applications.
The backlight can be activated when required, providing a clear pressure indication without requiring an additional light source.
Adjustable Display Rate
The measurement update rate of the Additel ADT 680A can be adapted to different applications.
The gauge supports update rates ranging from:
10 readings per second
to:
1 reading every 10 seconds.
A faster measurement rate is useful when observing dynamic pressure changes.
A slower update rate can be selected for stable pressure processes and helps extend battery operating time.
This flexibility allows users to balance response speed and battery life according to the application.
Extensive Selection of Pressure Units
The Additel ADT 680A supports numerous selectable pressure units, including:
- Pa
- kPa
- MPa
- psi
- bar
- mbar
- kgf/cm²
- inH₂O
- mmH₂O
- inHg
- mmHg
Additional engineering water-column units are also available.
The gauge also supports a:
custom user-defined unit.
The conversion coefficient for this custom unit can be configured through the Additel Link mobile app.
This makes the ADT 680A particularly flexible for international and specialized measurement applications.
Bluetooth Communication
The Additel ADT 680A includes Bluetooth communication.
This enables wireless communication between the pressure gauge and compatible devices.
Bluetooth provides several practical advantages.
The gauge can remain connected to the pressure system while the technician observes measurements from another position.
This can be useful when:
- The gauge is difficult to access
- The pressure connection is located inside machinery
- Direct observation is inconvenient
- Measurements need to be monitored remotely
Wireless communication also simplifies data handling in modern field measurement workflows.
Additel Link Mobile App
The Additel ADT 680A can communicate with the Additel Link mobile app.
This provides a convenient way to interact with the pressure gauge using a compatible mobile device.
The app can also be used to configure the conversion coefficient for the custom pressure unit.
The combination of a conventional local display and mobile connectivity provides flexibility for both traditional pressure measurement and modern digital workflows.
RS232 Communication
In addition to Bluetooth, the Additel ADT 680A provides:
RS232 communication.
The RS232 interface enables wired communication with compatible measurement and calibration systems.
External power can also be supplied through the appropriate RS232 cable.
This is particularly useful for stationary applications where the gauge needs to operate for extended periods or be incorporated into an automated measurement setup.
Optional Data Logging
The Additel ADT 680A can be configured with optional data logging.
The available internal storage supports up to:
800,000 records
when storing time and pressure.
When time, pressure and temperature information are stored, capacity is up to:
400,000 records.
The logging interval can be configured according to the measurement task.
This makes the pressure gauge suitable for applications such as:
- Long-term pressure monitoring
- Leak testing
- Process monitoring
- Pressure stability testing
- Hydraulic system testing
- Pneumatic system testing
Recorded data can subsequently be evaluated and documented.
Long Battery Life
The Additel ADT 680A is designed for long-duration operation.
The gauge uses:
three AA alkaline batteries.
Battery life depends strongly on the selected operating and sampling mode.
In low-power operation, Additel specifies operating times extending into several thousand hours.
At very slow measurement update rates, operating time can be increased even further.
This provides a significant practical advantage for field installations and long-term monitoring applications.
The use of standard AA batteries also makes replacement straightforward.
Stainless-Steel Construction
The Additel ADT 680A has been designed for demanding industrial environments.
The enclosure is manufactured from:
304 stainless steel.
The wetted components use:
316L stainless steel.
This combination provides excellent mechanical durability and corrosion resistance for many common industrial pressure applications.
The pressure sensor uses a fully welded construction, further supporting long-term reliability in demanding field conditions.
IP67 Protection
The Additel ADT 680A provides an environmental protection rating of:
IP67.
This makes the gauge highly resistant to dust and water ingress under the specified operating conditions.
The IP67 enclosure is particularly beneficial for:
- Outdoor pressure measurement
- Industrial production
- Maintenance applications
- Hydraulic systems
- Wet environments
- Dusty environments
The rugged design allows the ADT 680A to be used in locations where conventional laboratory instruments would be unsuitable.
Shock and Vibration Resistance
Industrial pressure gauges may be subjected to vibration and mechanical shock.
The Additel ADT 680A is specified for:
5 g vibration
and:
10 g shock resistance.
These characteristics complement the stainless-steel enclosure and IP67 protection.
Together, they make the ADT 680A particularly suitable for demanding field measurement and verification tasks.
Multiple Pressure Connections
The Additel ADT 680A is available with several pressure connection options.
For ranges up to 15,000 psi, available connections include:
- 1/4 NPT male
- 1/2 NPT male
- 1/4 BSP male
- 1/2 BSP male
- M20 × 1.5 male
For pressure ranges above 15,000 psi, dedicated high-pressure connections are available.
These include:
- 1/4 HP female
- 1/4 HP male
This allows the pressure gauge to be integrated into a wide range of international pressure systems.
Compact Industrial Design
Despite its robust construction, the Additel ADT 680A remains compact.
Typical dimensions are approximately:
105 × 46.5 × 148.5 mm.
The weight is approximately:
0.58 kg.
This compact design allows the gauge to be easily transported between calibration and measurement locations.
It can also be mounted directly to pressure systems where a clear local digital pressure indication is required.
Pressure Gauge Verification
The Additel ADT 680A can be used for pressure measurement and verification tasks.
When used together with a suitable pressure source and an appropriate reference standard, pressure gauges can be checked at several points throughout their measuring range.
The clear digital indication simplifies comparison with the reference pressure.
For calibration applications requiring lower measurement uncertainty than the ADT 680A itself provides, an appropriate higher-accuracy reference standard should be used.
Pressure Transmitter Testing
The ADT 680A can also support pressure transmitter testing.
A suitable pressure source applies pressure simultaneously to the ADT 680A and the transmitter.
The ADT 680A provides a local digital indication of the applied pressure.
A separate electrical measurement instrument can then be used to measure the transmitter output, such as:
4 to 20 mA.
For applications requiring integrated electrical measurement and loop power, a dedicated Additel pressure calibrator may provide a more suitable solution.
Pressure Monitoring
The Additel ADT 680A is particularly well suited to industrial pressure monitoring.
Its combination of:
- Large display
- Bluetooth communication
- Optional data logging
- Long battery life
- IP67 protection
- Stainless-steel construction
allows the gauge to be installed directly at many industrial pressure measurement points.
The optional logging function can provide a record of pressure behavior over time.
ADT 680AEx for Hazardous Areas
For applications requiring intrinsic safety, Additel also offers the:
Additel ADT 680AEx.
The ADT 680AEx provides the corresponding intrinsically safe version of the digital pressure gauge.
This version is intended for applications in potentially explosive atmospheres and has dedicated international intrinsic-safety approvals.
The standard Additel ADT 680A and the intrinsically safe ADT 680AEx should therefore be treated as separate configurations when selecting equipment.
ISO/IEC 17025 Accredited Calibration
The Additel ADT 680A is supplied with an:
ISO/IEC 17025 accredited calibration certificate
including calibration data.
This provides an important basis for metrological traceability.
The calibration documentation enables the gauge to be incorporated into professional measurement equipment monitoring and quality management systems.
Typical Applications
The Additel ADT 680A is suitable for:
- Digital pressure measurement
- Pressure gauge verification
- Industrial pressure monitoring
- Hydraulic pressure measurement
- Pneumatic pressure measurement
- Pressure transmitter testing
- Leak testing
- Long-term pressure monitoring
- Field service
- Maintenance
- Commissioning
- Troubleshooting
- Machinery and plant engineering
- Production environments
- Laboratory applications
- High-pressure measurement
Technical Highlights
| Feature | Additel ADT 680A |
|---|---|
| Device type | Digital pressure gauge |
| Maximum pressure | 60,000 psi / 4,200 bar |
| Accuracy | 0.1% FS or 0.2% FS |
| Pressure types | Gauge and compound |
| Temperature compensation | -10 °C to 50 °C |
| Operating temperature | -20 °C to 50 °C |
| Display | FSTN segment LCD |
| Display resolution | Switchable 4 or 5 digits |
| Character height | 14.5 mm |
| Backlight | White |
| Update rate | 10 readings/s to 1 reading/10 s |
| Custom pressure unit | Yes |
| Bluetooth | Yes |
| RS232 | Yes |
| Mobile app | Additel Link |
| Data logging | Optional |
| Data storage | Up to 800,000 records |
| Enclosure | 304 stainless steel |
| Wetted parts | 316L stainless steel |
| Protection | IP67 |
| Vibration | 5 g |
| Shock resistance | 10 g |
| Power | 3 × AA alkaline batteries |
| Dimensions | Approx. 105 × 46.5 × 148.5 mm |
| Weight | Approx. 0.58 kg |
| Ex version | Additel ADT 680AEx |
| Calibration certificate | ISO/IEC 17025 accredited with data |
Additel ADT 680A vs. Additel ADT 601Ex
The Additel ADT 680A and Additel ADT 601Ex are designed for different measurement requirements.
The Additel ADT 601Ex focuses on economical intrinsically safe pressure indication with an accuracy of 0.5% FS.
The Additel ADT 680A provides higher measurement performance with accuracy options of:
0.1% FS or 0.2% FS.
It also provides optional data logging and an exceptionally broad pressure range extending to 4,200 bar.
For applications requiring intrinsic safety together with the ADT 680A measurement platform, the corresponding Additel ADT 680AEx is available.
Why Choose the Additel ADT 680A?
The Additel ADT 680A provides an excellent balance between pressure measurement performance, durability and cost.
With pressure ranges extending up to 60,000 psi / 4,200 bar, the gauge covers applications ranging from conventional industrial pressure measurement to demanding high-pressure systems.
Accuracy options of 0.1% FS or 0.2% FS provide significantly better measurement performance than many basic industrial digital pressure gauges.
Fully temperature-compensated accuracy from -10 °C to 50 °C supports dependable measurements under changing environmental conditions.
A large backlit display, selectable measurement resolution and numerous pressure units simplify everyday operation.
Bluetooth and RS232 communication provide modern connectivity, while optional data logging allows pressure measurements to be recorded for subsequent analysis.
The stainless-steel enclosure, 316L stainless-steel wetted parts, IP67 protection and high shock and vibration resistance make the ADT 680A suitable for demanding field applications.
At europascal, we provide Additel pressure measurement and calibration technology for laboratory, field and industrial applications. Our portfolio includes digital pressure gauges, reference pressure gauges, pressure calibrators, pressure modules, pressure controllers and pressure generation equipment.
For professional calibration and metrological traceability of the Additel ADT 680A and other pressure measuring instruments, visit the europascal Calibration Service.
Further Additel products are available from europascal.
Manufacturer information about the Additel ADT 680A is available on the official Additel ADT 680A product page.
